package com.itheima.stringbuilder;

public class TestDemo01 {
    public static void main(String[] args) {
        StringBuilder sb = new StringBuilder();
        sb.append("java"+" ").append(12+" ").append(3.1412113232+" ").append(true+" ").append('k'+" ");
        System.out.println(sb);
        sb.reverse().reverse();
        System.out.println(sb);
        System.out.println(new StringBuilder());

    }
}
